APA (7th ed.) Citation

Garden History Society (Great Britain). (1966). Quarterly newsletter. Garden History Society.

Chicago Style (17th ed.) Citation

Garden History Society (Great Britain). Quarterly Newsletter. Canterbury, England: Garden History Society, 1966.

MLA (9th ed.) Citation

Garden History Society (Great Britain). Quarterly Newsletter. Garden History Society, 1966.

Warning: These citations may not always be 100% accurate.